Home / 131,727.52-197,591.79-31,887.55

Finding the Fourth Proportional to 131,727.52, 197,591.79 and 31,887.55

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Solution

The fourth proportional to 131,727.52, 197,591.79 and 31,887.55 is: 47,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,727.52 : 197,591.79 = 31,887.55 : x
  2. Step 2: Convert to fraction form
    131,727.52/197,591.79 = 31,887.55/x
  3. Step 3: Cross multiply
    131,727.52x = 197,591.79 × 31,887.55
  4. Step 4: Simplify right side
    131,727.52x = 6,300,717,158.96
  5. Step 5: Solve for x
    x = 6,300,717,158.96/131,727.52
  6. Step 6: Final answer
    x = 47,831.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.